package com.oldbook.framework.web.service;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.stereotype.Service;
import com.oldbook.common.core.domain.entity.SysUser;
import com.oldbook.common.core.domain.model.LoginUser;
import com.oldbook.common.enums.UserStatus;
import com.oldbook.common.exception.ServiceException;
import com.oldbook.common.utils.MessageUtils;
import com.oldbook.common.utils.StringUtils;
import com.oldbook.system.service.ISysUserService;

/**
 * 用户验证处理
 *
 * @author ruoyi
 */
@Service
public class UserDetailsServiceImpl implements UserDetailsService
{
    private static final Logger log = LoggerFactory.getLogger(UserDetailsServiceImpl.class);


        @Autowired
        private ISysUserService userService;

        @Autowired
        private SysPasswordService passwordService;
        @Autowired
        private SysPermissionService permissionService;

        @Override
        public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
            // 优先按学号查询
            SysUser user = userService.selectUserByStudentId(username);
            if (user == null) {
                // 降级按用户名查询
                user = userService.selectUserByUserName(username);
            }

            // 统一校验逻辑
            if (StringUtils.isNull(user)) {
                log.info("登录用户：{} 不存在", username);
                throw new ServiceException(MessageUtils.message("user.not.exists"));
            }
            if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
                log.info("登录用户：{} 已被删除", username);
                throw new ServiceException(MessageUtils.message("user.password.delete"));
            }
            if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
                log.info("登录用户：{} 已被停用", username);
                throw new ServiceException(MessageUtils.message("user.blocked"));
            }

            passwordService.validate(user);
            return createLoginUser(user);
        }

        private UserDetails createLoginUser(SysUser user) {
            // 添加studentId参数（根据LoginUser构造方法调整）
            return new LoginUser(
                    user.getUserId(),
                    user.getDeptId(),
                    user,
                    user.getStudentId(), // 👈 新增studentId
                    permissionService.getMenuPermission(user)
            );
        }
    }
